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Salary
≈ $67k – $141k per year (Estimated)
Location
In office (Sydney)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Oct 14, 2026. CoStar Group scores B on the Alion truth index.

Overview
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CoStar Group is a real estate information, analytics and online marketplace company headquartered in Arlington, Virginia, behind the CoStar database and brands such as LoopNet, Apartments.com, Homes.com, Land.com, Ten-X, BizBuySell, STR, Matterport and OnTheMarket. Founded in 1987 by Andrew Florance, it is listed on NASDAQ and in the S&P 500, with major offices in Richmond, Irvine, London, Paris and Sydney serving brokers, owners, lenders, landlords and home buyers. It hires software, AI and security engineers, field researchers, account executives and sales associates, product marketers, recruiters and finance and lease administration staff.
Senior Software Engineer - CRE

Job Description

Senior Software Engineer - CRE

Step into a pivotal role on a tight-knit development team managing Domain's Commercial Real Estate (CRE) platform. We create customer-centric products powered by Domain's market-leading data assets to solve genuine problems for our users.

As a Senior Software Engineer, you'll play a key role in designing, building, and evolving the technology that powers Domain’s commercial property marketplace. Working closely with Product, Design, and Engineering peers, you'll help deliver scalable, performant and reliable solutions while contributing to technical direction, engineering excellence, and continuous improvement across the platform.

What You'll Do

  • Work collaboratively within a cross-functional team to deliver high-quality software solutions.
  • Design, develop, and maintain scalable applications and services.
  • Build clean, maintainable, and rigorously tested code.
  • Deliver impactful features and essential fixes directly to production.
  • Contribute to system architecture, technical design, and engineering best practices.
  • Mentor engineers and champion high standards for code quality, testing, and delivery.
  • Identify opportunities to improve performance, reliability, and developer experience.
  • Help drive continuous improvement across the team and platform.

What You'll Bring

  • Strong experience shipping production-grade software and making critical architectural trade-offs.
  • Expertise in .NET/C# development.
  • Experience building and supporting cloud-native applications within AWS.
  • Strong understanding of modern front-end technologies including React, Next.js, TypeScript, and JavaScript.
  • Experience with relational databases and distributed systems.
  • Knowledge of CI/CD, Test Driven Development (TDD), and software engineering best practices.
  • Strong problem-solving skills and an ownership mindset.
  • Ability to collaborate effectively with both technical and non-technical stakeholders.

Tech Stack

  • .NET / C#
  • AWS (Lambda, ECS, EKS, DynamoDB)
  • OpenSearch
  • PostgreSQL, MySQL, SQL Server
  • TypeScript / JavaScript
  • React & Next.js
  • CI/CD
  • Test Driven Development

Why Join Us?

Commercial Real Estate is a key part of Domain's portfolio, helping thousands of agencies and property professionals connect with buyers, sellers, tenants, and investors across Australia. You'll join a collaborative team working on meaningful products, modern technologies, and real customer problems while having the opportunity to make a significant impact on the future of the platform.

What's next?

We'll give your application the thoughtful attention it deserves and get back to you as soon as possible. If there's a match, one of our recruitment consultants will reach out so keep your phone handy! We're genuinely excited about the chance to work together and make a meaningful impact.

Equity, Diversity and Inclusion at Domain

Domain is enthusiastically and unapologetically committed to fostering an equitable, inclusive work culture which reflects our customers and communities. We are proactively looking for candidates from all lived experiences, including people with disability, and people of all ages, ethnicities, cultures (including Aboriginal and Torres Strait Islander Peoples), faiths, sexual orientations, and gender identities (including trans and non-binary people).

We are committed to providing an equitable recruitment process for people with disability. If you require adjustments during the process we're here to support. If you wish to receive this job advertisement in an accessible format, or have a confidential chat about workplace adjustments, please contact our Equity, Diversity and Inclusion team at [email protected] or leave a message on 1300 858 356 and we will get back to you.

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

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